#include<stdio.h>
int main()
{
	printf("%d\n",100);
	printf("%f\n", 3.14);
	printf("%.3f\n", 3.14);
	printf("%15.4f\n", 3.14);
	printf("%15f\n", 3.14);
	printf("%s\n", "abcdef");
	printf("%.4s\n", "abcdef");
	printf("%c\n", 'b');
	int a = 100;
	int b = ++a;
	int b2 = a++;
	int c = b + a;
	c += b * a;
	printf("%d\n", a);
	printf("%100d\n", b + a);
	printf("%3d\n", c);
	return 0;
}